forked from Minki/linux
242c503350
The stv6110x_devctl structure is never modified, so declare it as const. Done with the help of Coccinelle. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
1759 lines
43 KiB
C
1759 lines
43 KiB
C
/*
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* ddbridge.c: Digital Devices PCIe bridge driver
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*
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* Copyright (C) 2010-2011 Digital Devices GmbH
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 only, as published by the Free Software Foundation.
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*
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA
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* Or, point your browser to http://www.gnu.org/copyleft/gpl.html
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*/
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <linux/delay.h>
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#include <linux/slab.h>
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#include <linux/poll.h>
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#include <linux/io.h>
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#include <linux/pci.h>
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#include <linux/pci_ids.h>
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#include <linux/timer.h>
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#include <linux/i2c.h>
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#include <linux/swab.h>
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#include <linux/vmalloc.h>
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#include "ddbridge.h"
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#include "ddbridge-regs.h"
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#include "tda18271c2dd.h"
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#include "stv6110x.h"
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#include "stv090x.h"
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#include "lnbh24.h"
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#include "drxk.h"
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DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
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/* MSI had problems with lost interrupts, fixed but needs testing */
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#undef CONFIG_PCI_MSI
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/******************************************************************************/
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static int i2c_read(struct i2c_adapter *adapter, u8 adr, u8 *val)
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{
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struct i2c_msg msgs[1] = {{.addr = adr, .flags = I2C_M_RD,
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.buf = val, .len = 1 } };
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return (i2c_transfer(adapter, msgs, 1) == 1) ? 0 : -1;
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}
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static int i2c_read_reg(struct i2c_adapter *adapter, u8 adr, u8 reg, u8 *val)
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{
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struct i2c_msg msgs[2] = {{.addr = adr, .flags = 0,
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.buf = ®, .len = 1 },
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{.addr = adr, .flags = I2C_M_RD,
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.buf = val, .len = 1 } };
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return (i2c_transfer(adapter, msgs, 2) == 2) ? 0 : -1;
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}
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static int i2c_read_reg16(struct i2c_adapter *adapter, u8 adr,
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u16 reg, u8 *val)
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{
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u8 msg[2] = {reg>>8, reg&0xff};
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struct i2c_msg msgs[2] = {{.addr = adr, .flags = 0,
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.buf = msg, .len = 2},
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{.addr = adr, .flags = I2C_M_RD,
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.buf = val, .len = 1} };
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return (i2c_transfer(adapter, msgs, 2) == 2) ? 0 : -1;
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}
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static int ddb_i2c_cmd(struct ddb_i2c *i2c, u32 adr, u32 cmd)
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{
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struct ddb *dev = i2c->dev;
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long stat;
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u32 val;
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i2c->done = 0;
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ddbwritel((adr << 9) | cmd, i2c->regs + I2C_COMMAND);
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stat = wait_event_timeout(i2c->wq, i2c->done == 1, HZ);
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if (stat == 0) {
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printk(KERN_ERR "I2C timeout\n");
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{ /* MSI debugging*/
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u32 istat = ddbreadl(INTERRUPT_STATUS);
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printk(KERN_ERR "IRS %08x\n", istat);
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ddbwritel(istat, INTERRUPT_ACK);
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}
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return -EIO;
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}
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val = ddbreadl(i2c->regs+I2C_COMMAND);
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if (val & 0x70000)
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return -EIO;
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return 0;
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}
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static int ddb_i2c_master_xfer(struct i2c_adapter *adapter,
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struct i2c_msg msg[], int num)
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{
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struct ddb_i2c *i2c = (struct ddb_i2c *)i2c_get_adapdata(adapter);
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struct ddb *dev = i2c->dev;
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u8 addr = 0;
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if (num)
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addr = msg[0].addr;
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if (num == 2 && msg[1].flags & I2C_M_RD &&
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!(msg[0].flags & I2C_M_RD)) {
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memcpy_toio(dev->regs + I2C_TASKMEM_BASE + i2c->wbuf,
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msg[0].buf, msg[0].len);
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ddbwritel(msg[0].len|(msg[1].len << 16),
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i2c->regs+I2C_TASKLENGTH);
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if (!ddb_i2c_cmd(i2c, addr, 1)) {
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memcpy_fromio(msg[1].buf,
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dev->regs + I2C_TASKMEM_BASE + i2c->rbuf,
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msg[1].len);
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return num;
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}
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}
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if (num == 1 && !(msg[0].flags & I2C_M_RD)) {
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ddbcpyto(I2C_TASKMEM_BASE + i2c->wbuf, msg[0].buf, msg[0].len);
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ddbwritel(msg[0].len, i2c->regs + I2C_TASKLENGTH);
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if (!ddb_i2c_cmd(i2c, addr, 2))
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return num;
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}
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if (num == 1 && (msg[0].flags & I2C_M_RD)) {
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ddbwritel(msg[0].len << 16, i2c->regs + I2C_TASKLENGTH);
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if (!ddb_i2c_cmd(i2c, addr, 3)) {
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ddbcpyfrom(msg[0].buf,
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I2C_TASKMEM_BASE + i2c->rbuf, msg[0].len);
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return num;
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}
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}
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return -EIO;
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}
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static u32 ddb_i2c_functionality(struct i2c_adapter *adap)
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{
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return I2C_FUNC_SMBUS_EMUL;
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}
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static struct i2c_algorithm ddb_i2c_algo = {
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.master_xfer = ddb_i2c_master_xfer,
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.functionality = ddb_i2c_functionality,
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};
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static void ddb_i2c_release(struct ddb *dev)
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{
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int i;
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struct ddb_i2c *i2c;
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struct i2c_adapter *adap;
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for (i = 0; i < dev->info->port_num; i++) {
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i2c = &dev->i2c[i];
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adap = &i2c->adap;
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i2c_del_adapter(adap);
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}
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}
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static int ddb_i2c_init(struct ddb *dev)
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{
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int i, j, stat = 0;
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struct ddb_i2c *i2c;
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struct i2c_adapter *adap;
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for (i = 0; i < dev->info->port_num; i++) {
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i2c = &dev->i2c[i];
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i2c->dev = dev;
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i2c->nr = i;
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i2c->wbuf = i * (I2C_TASKMEM_SIZE / 4);
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i2c->rbuf = i2c->wbuf + (I2C_TASKMEM_SIZE / 8);
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i2c->regs = 0x80 + i * 0x20;
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ddbwritel(I2C_SPEED_100, i2c->regs + I2C_TIMING);
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ddbwritel((i2c->rbuf << 16) | i2c->wbuf,
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i2c->regs + I2C_TASKADDRESS);
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init_waitqueue_head(&i2c->wq);
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adap = &i2c->adap;
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i2c_set_adapdata(adap, i2c);
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#ifdef I2C_ADAP_CLASS_TV_DIGITAL
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adap->class = I2C_ADAP_CLASS_TV_DIGITAL|I2C_CLASS_TV_ANALOG;
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#else
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#ifdef I2C_CLASS_TV_ANALOG
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adap->class = I2C_CLASS_TV_ANALOG;
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#endif
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#endif
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strcpy(adap->name, "ddbridge");
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adap->algo = &ddb_i2c_algo;
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adap->algo_data = (void *)i2c;
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adap->dev.parent = &dev->pdev->dev;
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stat = i2c_add_adapter(adap);
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if (stat)
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break;
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}
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if (stat)
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for (j = 0; j < i; j++) {
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i2c = &dev->i2c[j];
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adap = &i2c->adap;
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i2c_del_adapter(adap);
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}
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return stat;
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}
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/******************************************************************************/
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/******************************************************************************/
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/******************************************************************************/
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#if 0
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static void set_table(struct ddb *dev, u32 off,
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dma_addr_t *pbuf, u32 num)
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{
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u32 i, base;
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u64 mem;
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base = DMA_BASE_ADDRESS_TABLE + off;
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for (i = 0; i < num; i++) {
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mem = pbuf[i];
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ddbwritel(mem & 0xffffffff, base + i * 8);
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ddbwritel(mem >> 32, base + i * 8 + 4);
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}
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}
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#endif
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static void ddb_address_table(struct ddb *dev)
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{
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u32 i, j, base;
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u64 mem;
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dma_addr_t *pbuf;
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for (i = 0; i < dev->info->port_num * 2; i++) {
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base = DMA_BASE_ADDRESS_TABLE + i * 0x100;
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pbuf = dev->input[i].pbuf;
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for (j = 0; j < dev->input[i].dma_buf_num; j++) {
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mem = pbuf[j];
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ddbwritel(mem & 0xffffffff, base + j * 8);
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ddbwritel(mem >> 32, base + j * 8 + 4);
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}
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}
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for (i = 0; i < dev->info->port_num; i++) {
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base = DMA_BASE_ADDRESS_TABLE + 0x800 + i * 0x100;
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pbuf = dev->output[i].pbuf;
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for (j = 0; j < dev->output[i].dma_buf_num; j++) {
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mem = pbuf[j];
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ddbwritel(mem & 0xffffffff, base + j * 8);
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ddbwritel(mem >> 32, base + j * 8 + 4);
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}
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}
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}
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static void io_free(struct pci_dev *pdev, u8 **vbuf,
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dma_addr_t *pbuf, u32 size, int num)
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{
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int i;
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for (i = 0; i < num; i++) {
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if (vbuf[i]) {
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pci_free_consistent(pdev, size, vbuf[i], pbuf[i]);
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vbuf[i] = NULL;
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}
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}
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}
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static int io_alloc(struct pci_dev *pdev, u8 **vbuf,
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dma_addr_t *pbuf, u32 size, int num)
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{
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int i;
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for (i = 0; i < num; i++) {
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vbuf[i] = pci_alloc_consistent(pdev, size, &pbuf[i]);
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if (!vbuf[i])
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return -ENOMEM;
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}
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return 0;
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}
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static int ddb_buffers_alloc(struct ddb *dev)
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{
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int i;
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struct ddb_port *port;
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for (i = 0; i < dev->info->port_num; i++) {
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port = &dev->port[i];
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switch (port->class) {
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case DDB_PORT_TUNER:
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if (io_alloc(dev->pdev, port->input[0]->vbuf,
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port->input[0]->pbuf,
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port->input[0]->dma_buf_size,
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port->input[0]->dma_buf_num) < 0)
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return -1;
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if (io_alloc(dev->pdev, port->input[1]->vbuf,
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port->input[1]->pbuf,
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port->input[1]->dma_buf_size,
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port->input[1]->dma_buf_num) < 0)
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return -1;
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break;
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case DDB_PORT_CI:
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if (io_alloc(dev->pdev, port->input[0]->vbuf,
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port->input[0]->pbuf,
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port->input[0]->dma_buf_size,
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port->input[0]->dma_buf_num) < 0)
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return -1;
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if (io_alloc(dev->pdev, port->output->vbuf,
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port->output->pbuf,
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port->output->dma_buf_size,
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port->output->dma_buf_num) < 0)
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return -1;
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break;
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default:
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break;
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}
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}
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ddb_address_table(dev);
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return 0;
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}
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static void ddb_buffers_free(struct ddb *dev)
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{
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int i;
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struct ddb_port *port;
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for (i = 0; i < dev->info->port_num; i++) {
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port = &dev->port[i];
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io_free(dev->pdev, port->input[0]->vbuf,
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port->input[0]->pbuf,
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port->input[0]->dma_buf_size,
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port->input[0]->dma_buf_num);
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io_free(dev->pdev, port->input[1]->vbuf,
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port->input[1]->pbuf,
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port->input[1]->dma_buf_size,
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port->input[1]->dma_buf_num);
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io_free(dev->pdev, port->output->vbuf,
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port->output->pbuf,
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port->output->dma_buf_size,
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port->output->dma_buf_num);
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}
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}
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static void ddb_input_start(struct ddb_input *input)
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{
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struct ddb *dev = input->port->dev;
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spin_lock_irq(&input->lock);
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input->cbuf = 0;
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input->coff = 0;
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/* reset */
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ddbwritel(0, TS_INPUT_CONTROL(input->nr));
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ddbwritel(2, TS_INPUT_CONTROL(input->nr));
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ddbwritel(0, TS_INPUT_CONTROL(input->nr));
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ddbwritel((1 << 16) |
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(input->dma_buf_num << 11) |
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(input->dma_buf_size >> 7),
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DMA_BUFFER_SIZE(input->nr));
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ddbwritel(0, DMA_BUFFER_ACK(input->nr));
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ddbwritel(1, DMA_BASE_WRITE);
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ddbwritel(3, DMA_BUFFER_CONTROL(input->nr));
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ddbwritel(9, TS_INPUT_CONTROL(input->nr));
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input->running = 1;
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spin_unlock_irq(&input->lock);
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}
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static void ddb_input_stop(struct ddb_input *input)
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{
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struct ddb *dev = input->port->dev;
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spin_lock_irq(&input->lock);
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ddbwritel(0, TS_INPUT_CONTROL(input->nr));
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ddbwritel(0, DMA_BUFFER_CONTROL(input->nr));
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input->running = 0;
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spin_unlock_irq(&input->lock);
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}
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static void ddb_output_start(struct ddb_output *output)
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{
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struct ddb *dev = output->port->dev;
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spin_lock_irq(&output->lock);
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output->cbuf = 0;
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output->coff = 0;
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ddbwritel(0, TS_OUTPUT_CONTROL(output->nr));
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ddbwritel(2, TS_OUTPUT_CONTROL(output->nr));
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ddbwritel(0, TS_OUTPUT_CONTROL(output->nr));
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ddbwritel(0x3c, TS_OUTPUT_CONTROL(output->nr));
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ddbwritel((1 << 16) |
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(output->dma_buf_num << 11) |
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(output->dma_buf_size >> 7),
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DMA_BUFFER_SIZE(output->nr + 8));
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ddbwritel(0, DMA_BUFFER_ACK(output->nr + 8));
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ddbwritel(1, DMA_BASE_READ);
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ddbwritel(3, DMA_BUFFER_CONTROL(output->nr + 8));
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/* ddbwritel(0xbd, TS_OUTPUT_CONTROL(output->nr)); */
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ddbwritel(0x1d, TS_OUTPUT_CONTROL(output->nr));
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output->running = 1;
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spin_unlock_irq(&output->lock);
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}
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static void ddb_output_stop(struct ddb_output *output)
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{
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struct ddb *dev = output->port->dev;
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spin_lock_irq(&output->lock);
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ddbwritel(0, TS_OUTPUT_CONTROL(output->nr));
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ddbwritel(0, DMA_BUFFER_CONTROL(output->nr + 8));
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output->running = 0;
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spin_unlock_irq(&output->lock);
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}
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static u32 ddb_output_free(struct ddb_output *output)
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{
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u32 idx, off, stat = output->stat;
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s32 diff;
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idx = (stat >> 11) & 0x1f;
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off = (stat & 0x7ff) << 7;
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|
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if (output->cbuf != idx) {
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if ((((output->cbuf + 1) % output->dma_buf_num) == idx) &&
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(output->dma_buf_size - output->coff <= 188))
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return 0;
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return 188;
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}
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diff = off - output->coff;
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if (diff <= 0 || diff > 188)
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return 188;
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return 0;
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}
|
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|
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static ssize_t ddb_output_write(struct ddb_output *output,
|
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const __user u8 *buf, size_t count)
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{
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struct ddb *dev = output->port->dev;
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u32 idx, off, stat = output->stat;
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u32 left = count, len;
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|
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idx = (stat >> 11) & 0x1f;
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off = (stat & 0x7ff) << 7;
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|
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while (left) {
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len = output->dma_buf_size - output->coff;
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if ((((output->cbuf + 1) % output->dma_buf_num) == idx) &&
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(off == 0)) {
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if (len <= 188)
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break;
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len -= 188;
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}
|
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if (output->cbuf == idx) {
|
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if (off > output->coff) {
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#if 1
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len = off - output->coff;
|
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len -= (len % 188);
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if (len <= 188)
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|
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#endif
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break;
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len -= 188;
|
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}
|
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}
|
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if (len > left)
|
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len = left;
|
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if (copy_from_user(output->vbuf[output->cbuf] + output->coff,
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|
buf, len))
|
|
return -EIO;
|
|
left -= len;
|
|
buf += len;
|
|
output->coff += len;
|
|
if (output->coff == output->dma_buf_size) {
|
|
output->coff = 0;
|
|
output->cbuf = ((output->cbuf + 1) % output->dma_buf_num);
|
|
}
|
|
ddbwritel((output->cbuf << 11) | (output->coff >> 7),
|
|
DMA_BUFFER_ACK(output->nr + 8));
|
|
}
|
|
return count - left;
|
|
}
|
|
|
|
static u32 ddb_input_avail(struct ddb_input *input)
|
|
{
|
|
struct ddb *dev = input->port->dev;
|
|
u32 idx, off, stat = input->stat;
|
|
u32 ctrl = ddbreadl(DMA_BUFFER_CONTROL(input->nr));
|
|
|
|
idx = (stat >> 11) & 0x1f;
|
|
off = (stat & 0x7ff) << 7;
|
|
|
|
if (ctrl & 4) {
|
|
printk(KERN_ERR "IA %d %d %08x\n", idx, off, ctrl);
|
|
ddbwritel(input->stat, DMA_BUFFER_ACK(input->nr));
|
|
return 0;
|
|
}
|
|
if (input->cbuf != idx)
|
|
return 188;
|
|
return 0;
|
|
}
|
|
|
|
static ssize_t ddb_input_read(struct ddb_input *input, __user u8 *buf, size_t count)
|
|
{
|
|
struct ddb *dev = input->port->dev;
|
|
u32 left = count;
|
|
u32 idx, free, stat = input->stat;
|
|
int ret;
|
|
|
|
idx = (stat >> 11) & 0x1f;
|
|
|
|
while (left) {
|
|
if (input->cbuf == idx)
|
|
return count - left;
|
|
free = input->dma_buf_size - input->coff;
|
|
if (free > left)
|
|
free = left;
|
|
ret = copy_to_user(buf, input->vbuf[input->cbuf] +
|
|
input->coff, free);
|
|
if (ret)
|
|
return -EFAULT;
|
|
input->coff += free;
|
|
if (input->coff == input->dma_buf_size) {
|
|
input->coff = 0;
|
|
input->cbuf = (input->cbuf+1) % input->dma_buf_num;
|
|
}
|
|
left -= free;
|
|
ddbwritel((input->cbuf << 11) | (input->coff >> 7),
|
|
DMA_BUFFER_ACK(input->nr));
|
|
}
|
|
return count;
|
|
}
|
|
|
|
/******************************************************************************/
|
|
/******************************************************************************/
|
|
/******************************************************************************/
|
|
|
|
#if 0
|
|
static struct ddb_input *fe2input(struct ddb *dev, struct dvb_frontend *fe)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < dev->info->port_num * 2; i++) {
|
|
if (dev->input[i].fe == fe)
|
|
return &dev->input[i];
|
|
}
|
|
return NULL;
|
|
}
|
|
#endif
|
|
|
|
static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable)
|
|
{
|
|
struct ddb_input *input = fe->sec_priv;
|
|
struct ddb_port *port = input->port;
|
|
int status;
|
|
|
|
if (enable) {
|
|
mutex_lock(&port->i2c_gate_lock);
|
|
status = input->gate_ctrl(fe, 1);
|
|
} else {
|
|
status = input->gate_ctrl(fe, 0);
|
|
mutex_unlock(&port->i2c_gate_lock);
|
|
}
|
|
return status;
|
|
}
|
|
|
|
static int demod_attach_drxk(struct ddb_input *input)
|
|
{
|
|
struct i2c_adapter *i2c = &input->port->i2c->adap;
|
|
struct dvb_frontend *fe;
|
|
struct drxk_config config;
|
|
|
|
memset(&config, 0, sizeof(config));
|
|
config.microcode_name = "drxk_a3.mc";
|
|
config.qam_demod_parameter_count = 4;
|
|
config.adr = 0x29 + (input->nr & 1);
|
|
|
|
fe = input->fe = dvb_attach(drxk_attach, &config, i2c);
|
|
if (!input->fe) {
|
|
printk(KERN_ERR "No DRXK found!\n");
|
|
return -ENODEV;
|
|
}
|
|
fe->sec_priv = input;
|
|
input->gate_ctrl = fe->ops.i2c_gate_ctrl;
|
|
fe->ops.i2c_gate_ctrl = drxk_gate_ctrl;
|
|
return 0;
|
|
}
|
|
|
|
static int tuner_attach_tda18271(struct ddb_input *input)
|
|
{
|
|
struct i2c_adapter *i2c = &input->port->i2c->adap;
|
|
struct dvb_frontend *fe;
|
|
|
|
if (input->fe->ops.i2c_gate_ctrl)
|
|
input->fe->ops.i2c_gate_ctrl(input->fe, 1);
|
|
fe = dvb_attach(tda18271c2dd_attach, input->fe, i2c, 0x60);
|
|
if (!fe) {
|
|
printk(KERN_ERR "No TDA18271 found!\n");
|
|
return -ENODEV;
|
|
}
|
|
if (input->fe->ops.i2c_gate_ctrl)
|
|
input->fe->ops.i2c_gate_ctrl(input->fe, 0);
|
|
return 0;
|
|
}
|
|
|
|
/******************************************************************************/
|
|
/******************************************************************************/
|
|
/******************************************************************************/
|
|
|
|
static struct stv090x_config stv0900 = {
|
|
.device = STV0900,
|
|
.demod_mode = STV090x_DUAL,
|
|
.clk_mode = STV090x_CLK_EXT,
|
|
|
|
.xtal = 27000000,
|
|
.address = 0x69,
|
|
|
|
.ts1_mode = STV090x_TSMODE_SERIAL_PUNCTURED,
|
|
.ts2_mode = STV090x_TSMODE_SERIAL_PUNCTURED,
|
|
|
|
.repeater_level = STV090x_RPTLEVEL_16,
|
|
|
|
.adc1_range = STV090x_ADC_1Vpp,
|
|
.adc2_range = STV090x_ADC_1Vpp,
|
|
|
|
.diseqc_envelope_mode = true,
|
|
};
|
|
|
|
static struct stv090x_config stv0900_aa = {
|
|
.device = STV0900,
|
|
.demod_mode = STV090x_DUAL,
|
|
.clk_mode = STV090x_CLK_EXT,
|
|
|
|
.xtal = 27000000,
|
|
.address = 0x68,
|
|
|
|
.ts1_mode = STV090x_TSMODE_SERIAL_PUNCTURED,
|
|
.ts2_mode = STV090x_TSMODE_SERIAL_PUNCTURED,
|
|
|
|
.repeater_level = STV090x_RPTLEVEL_16,
|
|
|
|
.adc1_range = STV090x_ADC_1Vpp,
|
|
.adc2_range = STV090x_ADC_1Vpp,
|
|
|
|
.diseqc_envelope_mode = true,
|
|
};
|
|
|
|
static struct stv6110x_config stv6110a = {
|
|
.addr = 0x60,
|
|
.refclk = 27000000,
|
|
.clk_div = 1,
|
|
};
|
|
|
|
static struct stv6110x_config stv6110b = {
|
|
.addr = 0x63,
|
|
.refclk = 27000000,
|
|
.clk_div = 1,
|
|
};
|
|
|
|
static int demod_attach_stv0900(struct ddb_input *input, int type)
|
|
{
|
|
struct i2c_adapter *i2c = &input->port->i2c->adap;
|
|
struct stv090x_config *feconf = type ? &stv0900_aa : &stv0900;
|
|
|
|
input->fe = dvb_attach(stv090x_attach, feconf, i2c,
|
|
(input->nr & 1) ? STV090x_DEMODULATOR_1
|
|
: STV090x_DEMODULATOR_0);
|
|
if (!input->fe) {
|
|
printk(KERN_ERR "No STV0900 found!\n");
|
|
return -ENODEV;
|
|
}
|
|
if (!dvb_attach(lnbh24_attach, input->fe, i2c, 0,
|
|
0, (input->nr & 1) ?
|
|
(0x09 - type) : (0x0b - type))) {
|
|
printk(KERN_ERR "No LNBH24 found!\n");
|
|
return -ENODEV;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int tuner_attach_stv6110(struct ddb_input *input, int type)
|
|
{
|
|
struct i2c_adapter *i2c = &input->port->i2c->adap;
|
|
struct stv090x_config *feconf = type ? &stv0900_aa : &stv0900;
|
|
struct stv6110x_config *tunerconf = (input->nr & 1) ?
|
|
&stv6110b : &stv6110a;
|
|
const struct stv6110x_devctl *ctl;
|
|
|
|
ctl = dvb_attach(stv6110x_attach, input->fe, tunerconf, i2c);
|
|
if (!ctl) {
|
|
printk(KERN_ERR "No STV6110X found!\n");
|
|
return -ENODEV;
|
|
}
|
|
printk(KERN_INFO "attach tuner input %d adr %02x\n",
|
|
input->nr, tunerconf->addr);
|
|
|
|
feconf->tuner_init = ctl->tuner_init;
|
|
feconf->tuner_sleep = ctl->tuner_sleep;
|
|
feconf->tuner_set_mode = ctl->tuner_set_mode;
|
|
feconf->tuner_set_frequency = ctl->tuner_set_frequency;
|
|
feconf->tuner_get_frequency = ctl->tuner_get_frequency;
|
|
feconf->tuner_set_bandwidth = ctl->tuner_set_bandwidth;
|
|
feconf->tuner_get_bandwidth = ctl->tuner_get_bandwidth;
|
|
feconf->tuner_set_bbgain = ctl->tuner_set_bbgain;
|
|
feconf->tuner_get_bbgain = ctl->tuner_get_bbgain;
|
|
feconf->tuner_set_refclk = ctl->tuner_set_refclk;
|
|
feconf->tuner_get_status = ctl->tuner_get_status;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int my_dvb_dmx_ts_card_init(struct dvb_demux *dvbdemux, char *id,
|
|
int (*start_feed)(struct dvb_demux_feed *),
|
|
int (*stop_feed)(struct dvb_demux_feed *),
|
|
void *priv)
|
|
{
|
|
dvbdemux->priv = priv;
|
|
|
|
dvbdemux->filternum = 256;
|
|
dvbdemux->feednum = 256;
|
|
dvbdemux->start_feed = start_feed;
|
|
dvbdemux->stop_feed = stop_feed;
|
|
dvbdemux->write_to_decoder = NULL;
|
|
dvbdemux->dmx.capabilities = (DMX_TS_FILTERING |
|
|
DMX_SECTION_FILTERING |
|
|
DMX_MEMORY_BASED_FILTERING);
|
|
return dvb_dmx_init(dvbdemux);
|
|
}
|
|
|
|
static int my_dvb_dmxdev_ts_card_init(struct dmxdev *dmxdev,
|
|
struct dvb_demux *dvbdemux,
|
|
struct dmx_frontend *hw_frontend,
|
|
struct dmx_frontend *mem_frontend,
|
|
struct dvb_adapter *dvb_adapter)
|
|
{
|
|
int ret;
|
|
|
|
dmxdev->filternum = 256;
|
|
dmxdev->demux = &dvbdemux->dmx;
|
|
dmxdev->capabilities = 0;
|
|
ret = dvb_dmxdev_init(dmxdev, dvb_adapter);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
hw_frontend->source = DMX_FRONTEND_0;
|
|
dvbdemux->dmx.add_frontend(&dvbdemux->dmx, hw_frontend);
|
|
mem_frontend->source = DMX_MEMORY_FE;
|
|
dvbdemux->dmx.add_frontend(&dvbdemux->dmx, mem_frontend);
|
|
return dvbdemux->dmx.connect_frontend(&dvbdemux->dmx, hw_frontend);
|
|
}
|
|
|
|
static int start_feed(struct dvb_demux_feed *dvbdmxfeed)
|
|
{
|
|
struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
|
|
struct ddb_input *input = dvbdmx->priv;
|
|
|
|
if (!input->users)
|
|
ddb_input_start(input);
|
|
|
|
return ++input->users;
|
|
}
|
|
|
|
static int stop_feed(struct dvb_demux_feed *dvbdmxfeed)
|
|
{
|
|
struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
|
|
struct ddb_input *input = dvbdmx->priv;
|
|
|
|
if (--input->users)
|
|
return input->users;
|
|
|
|
ddb_input_stop(input);
|
|
return 0;
|
|
}
|
|
|
|
|
|
static void dvb_input_detach(struct ddb_input *input)
|
|
{
|
|
struct dvb_adapter *adap = &input->adap;
|
|
struct dvb_demux *dvbdemux = &input->demux;
|
|
|
|
switch (input->attached) {
|
|
case 5:
|
|
if (input->fe2)
|
|
dvb_unregister_frontend(input->fe2);
|
|
if (input->fe) {
|
|
dvb_unregister_frontend(input->fe);
|
|
dvb_frontend_detach(input->fe);
|
|
input->fe = NULL;
|
|
}
|
|
case 4:
|
|
dvb_net_release(&input->dvbnet);
|
|
|
|
case 3:
|
|
dvbdemux->dmx.close(&dvbdemux->dmx);
|
|
dvbdemux->dmx.remove_frontend(&dvbdemux->dmx,
|
|
&input->hw_frontend);
|
|
dvbdemux->dmx.remove_frontend(&dvbdemux->dmx,
|
|
&input->mem_frontend);
|
|
dvb_dmxdev_release(&input->dmxdev);
|
|
|
|
case 2:
|
|
dvb_dmx_release(&input->demux);
|
|
|
|
case 1:
|
|
dvb_unregister_adapter(adap);
|
|
}
|
|
input->attached = 0;
|
|
}
|
|
|
|
static int dvb_input_attach(struct ddb_input *input)
|
|
{
|
|
int ret;
|
|
struct ddb_port *port = input->port;
|
|
struct dvb_adapter *adap = &input->adap;
|
|
struct dvb_demux *dvbdemux = &input->demux;
|
|
|
|
ret = dvb_register_adapter(adap, "DDBridge", THIS_MODULE,
|
|
&input->port->dev->pdev->dev,
|
|
adapter_nr);
|
|
if (ret < 0) {
|
|
printk(KERN_ERR "ddbridge: Could not register adapter."
|
|
"Check if you enabled enough adapters in dvb-core!\n");
|
|
return ret;
|
|
}
|
|
input->attached = 1;
|
|
|
|
ret = my_dvb_dmx_ts_card_init(dvbdemux, "SW demux",
|
|
start_feed,
|
|
stop_feed, input);
|
|
if (ret < 0)
|
|
return ret;
|
|
input->attached = 2;
|
|
|
|
ret = my_dvb_dmxdev_ts_card_init(&input->dmxdev, &input->demux,
|
|
&input->hw_frontend,
|
|
&input->mem_frontend, adap);
|
|
if (ret < 0)
|
|
return ret;
|
|
input->attached = 3;
|
|
|
|
ret = dvb_net_init(adap, &input->dvbnet, input->dmxdev.demux);
|
|
if (ret < 0)
|
|
return ret;
|
|
input->attached = 4;
|
|
|
|
input->fe = NULL;
|
|
switch (port->type) {
|
|
case DDB_TUNER_DVBS_ST:
|
|
if (demod_attach_stv0900(input, 0) < 0)
|
|
return -ENODEV;
|
|
if (tuner_attach_stv6110(input, 0) < 0)
|
|
return -ENODEV;
|
|
if (input->fe) {
|
|
if (dvb_register_frontend(adap, input->fe) < 0)
|
|
return -ENODEV;
|
|
}
|
|
break;
|
|
case DDB_TUNER_DVBS_ST_AA:
|
|
if (demod_attach_stv0900(input, 1) < 0)
|
|
return -ENODEV;
|
|
if (tuner_attach_stv6110(input, 1) < 0)
|
|
return -ENODEV;
|
|
if (input->fe) {
|
|
if (dvb_register_frontend(adap, input->fe) < 0)
|
|
return -ENODEV;
|
|
}
|
|
break;
|
|
case DDB_TUNER_DVBCT_TR:
|
|
if (demod_attach_drxk(input) < 0)
|
|
return -ENODEV;
|
|
if (tuner_attach_tda18271(input) < 0)
|
|
return -ENODEV;
|
|
if (dvb_register_frontend(adap, input->fe) < 0)
|
|
return -ENODEV;
|
|
if (input->fe2) {
|
|
if (dvb_register_frontend(adap, input->fe2) < 0)
|
|
return -ENODEV;
|
|
input->fe2->tuner_priv = input->fe->tuner_priv;
|
|
memcpy(&input->fe2->ops.tuner_ops,
|
|
&input->fe->ops.tuner_ops,
|
|
sizeof(struct dvb_tuner_ops));
|
|
}
|
|
break;
|
|
}
|
|
input->attached = 5;
|
|
return 0;
|
|
}
|
|
|
|
/****************************************************************************/
|
|
/****************************************************************************/
|
|
|
|
static ssize_t ts_write(struct file *file, const __user char *buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct dvb_device *dvbdev = file->private_data;
|
|
struct ddb_output *output = dvbdev->priv;
|
|
size_t left = count;
|
|
int stat;
|
|
|
|
while (left) {
|
|
if (ddb_output_free(output) < 188) {
|
|
if (file->f_flags & O_NONBLOCK)
|
|
break;
|
|
if (wait_event_interruptible(
|
|
output->wq, ddb_output_free(output) >= 188) < 0)
|
|
break;
|
|
}
|
|
stat = ddb_output_write(output, buf, left);
|
|
if (stat < 0)
|
|
break;
|
|
buf += stat;
|
|
left -= stat;
|
|
}
|
|
return (left == count) ? -EAGAIN : (count - left);
|
|
}
|
|
|
|
static ssize_t ts_read(struct file *file, __user char *buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct dvb_device *dvbdev = file->private_data;
|
|
struct ddb_output *output = dvbdev->priv;
|
|
struct ddb_input *input = output->port->input[0];
|
|
int left, read;
|
|
|
|
count -= count % 188;
|
|
left = count;
|
|
while (left) {
|
|
if (ddb_input_avail(input) < 188) {
|
|
if (file->f_flags & O_NONBLOCK)
|
|
break;
|
|
if (wait_event_interruptible(
|
|
input->wq, ddb_input_avail(input) >= 188) < 0)
|
|
break;
|
|
}
|
|
read = ddb_input_read(input, buf, left);
|
|
if (read < 0)
|
|
return read;
|
|
left -= read;
|
|
buf += read;
|
|
}
|
|
return (left == count) ? -EAGAIN : (count - left);
|
|
}
|
|
|
|
static unsigned int ts_poll(struct file *file, poll_table *wait)
|
|
{
|
|
/*
|
|
struct dvb_device *dvbdev = file->private_data;
|
|
struct ddb_output *output = dvbdev->priv;
|
|
struct ddb_input *input = output->port->input[0];
|
|
*/
|
|
unsigned int mask = 0;
|
|
|
|
#if 0
|
|
if (data_avail_to_read)
|
|
mask |= POLLIN | POLLRDNORM;
|
|
if (data_avail_to_write)
|
|
mask |= POLLOUT | POLLWRNORM;
|
|
|
|
poll_wait(file, &read_queue, wait);
|
|
poll_wait(file, &write_queue, wait);
|
|
#endif
|
|
return mask;
|
|
}
|
|
|
|
static const struct file_operations ci_fops = {
|
|
.owner = THIS_MODULE,
|
|
.read = ts_read,
|
|
.write = ts_write,
|
|
.open = dvb_generic_open,
|
|
.release = dvb_generic_release,
|
|
.poll = ts_poll,
|
|
};
|
|
|
|
static struct dvb_device dvbdev_ci = {
|
|
.readers = -1,
|
|
.writers = -1,
|
|
.users = -1,
|
|
.fops = &ci_fops,
|
|
};
|
|
|
|
/****************************************************************************/
|
|
/****************************************************************************/
|
|
/****************************************************************************/
|
|
|
|
static void input_tasklet(unsigned long data)
|
|
{
|
|
struct ddb_input *input = (struct ddb_input *) data;
|
|
struct ddb *dev = input->port->dev;
|
|
|
|
spin_lock(&input->lock);
|
|
if (!input->running) {
|
|
spin_unlock(&input->lock);
|
|
return;
|
|
}
|
|
input->stat = ddbreadl(DMA_BUFFER_CURRENT(input->nr));
|
|
|
|
if (input->port->class == DDB_PORT_TUNER) {
|
|
if (4&ddbreadl(DMA_BUFFER_CONTROL(input->nr)))
|
|
printk(KERN_ERR "Overflow input %d\n", input->nr);
|
|
while (input->cbuf != ((input->stat >> 11) & 0x1f)
|
|
|| (4&ddbreadl(DMA_BUFFER_CONTROL(input->nr)))) {
|
|
dvb_dmx_swfilter_packets(&input->demux,
|
|
input->vbuf[input->cbuf],
|
|
input->dma_buf_size / 188);
|
|
|
|
input->cbuf = (input->cbuf + 1) % input->dma_buf_num;
|
|
ddbwritel((input->cbuf << 11),
|
|
DMA_BUFFER_ACK(input->nr));
|
|
input->stat = ddbreadl(DMA_BUFFER_CURRENT(input->nr));
|
|
}
|
|
}
|
|
if (input->port->class == DDB_PORT_CI)
|
|
wake_up(&input->wq);
|
|
spin_unlock(&input->lock);
|
|
}
|
|
|
|
static void output_tasklet(unsigned long data)
|
|
{
|
|
struct ddb_output *output = (struct ddb_output *) data;
|
|
struct ddb *dev = output->port->dev;
|
|
|
|
spin_lock(&output->lock);
|
|
if (!output->running) {
|
|
spin_unlock(&output->lock);
|
|
return;
|
|
}
|
|
output->stat = ddbreadl(DMA_BUFFER_CURRENT(output->nr + 8));
|
|
wake_up(&output->wq);
|
|
spin_unlock(&output->lock);
|
|
}
|
|
|
|
|
|
static struct cxd2099_cfg cxd_cfg = {
|
|
.bitrate = 62000,
|
|
.adr = 0x40,
|
|
.polarity = 1,
|
|
.clock_mode = 1,
|
|
};
|
|
|
|
static int ddb_ci_attach(struct ddb_port *port)
|
|
{
|
|
int ret;
|
|
|
|
ret = dvb_register_adapter(&port->output->adap,
|
|
"DDBridge",
|
|
THIS_MODULE,
|
|
&port->dev->pdev->dev,
|
|
adapter_nr);
|
|
if (ret < 0)
|
|
return ret;
|
|
port->en = cxd2099_attach(&cxd_cfg, port, &port->i2c->adap);
|
|
if (!port->en) {
|
|
dvb_unregister_adapter(&port->output->adap);
|
|
return -ENODEV;
|
|
}
|
|
ddb_input_start(port->input[0]);
|
|
ddb_output_start(port->output);
|
|
dvb_ca_en50221_init(&port->output->adap,
|
|
port->en, 0, 1);
|
|
ret = dvb_register_device(&port->output->adap, &port->output->dev,
|
|
&dvbdev_ci, (void *) port->output,
|
|
DVB_DEVICE_SEC, 0);
|
|
return ret;
|
|
}
|
|
|
|
static int ddb_port_attach(struct ddb_port *port)
|
|
{
|
|
int ret = 0;
|
|
|
|
switch (port->class) {
|
|
case DDB_PORT_TUNER:
|
|
ret = dvb_input_attach(port->input[0]);
|
|
if (ret < 0)
|
|
break;
|
|
ret = dvb_input_attach(port->input[1]);
|
|
break;
|
|
case DDB_PORT_CI:
|
|
ret = ddb_ci_attach(port);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
if (ret < 0)
|
|
printk(KERN_ERR "port_attach on port %d failed\n", port->nr);
|
|
return ret;
|
|
}
|
|
|
|
static int ddb_ports_attach(struct ddb *dev)
|
|
{
|
|
int i, ret = 0;
|
|
struct ddb_port *port;
|
|
|
|
for (i = 0; i < dev->info->port_num; i++) {
|
|
port = &dev->port[i];
|
|
ret = ddb_port_attach(port);
|
|
if (ret < 0)
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static void ddb_ports_detach(struct ddb *dev)
|
|
{
|
|
int i;
|
|
struct ddb_port *port;
|
|
|
|
for (i = 0; i < dev->info->port_num; i++) {
|
|
port = &dev->port[i];
|
|
switch (port->class) {
|
|
case DDB_PORT_TUNER:
|
|
dvb_input_detach(port->input[0]);
|
|
dvb_input_detach(port->input[1]);
|
|
break;
|
|
case DDB_PORT_CI:
|
|
dvb_unregister_device(port->output->dev);
|
|
if (port->en) {
|
|
ddb_input_stop(port->input[0]);
|
|
ddb_output_stop(port->output);
|
|
dvb_ca_en50221_release(port->en);
|
|
kfree(port->en);
|
|
port->en = NULL;
|
|
dvb_unregister_adapter(&port->output->adap);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/****************************************************************************/
|
|
/****************************************************************************/
|
|
|
|
static int port_has_ci(struct ddb_port *port)
|
|
{
|
|
u8 val;
|
|
return i2c_read_reg(&port->i2c->adap, 0x40, 0, &val) ? 0 : 1;
|
|
}
|
|
|
|
static int port_has_stv0900(struct ddb_port *port)
|
|
{
|
|
u8 val;
|
|
if (i2c_read_reg16(&port->i2c->adap, 0x69, 0xf100, &val) < 0)
|
|
return 0;
|
|
return 1;
|
|
}
|
|
|
|
static int port_has_stv0900_aa(struct ddb_port *port)
|
|
{
|
|
u8 val;
|
|
if (i2c_read_reg16(&port->i2c->adap, 0x68, 0xf100, &val) < 0)
|
|
return 0;
|
|
return 1;
|
|
}
|
|
|
|
static int port_has_drxks(struct ddb_port *port)
|
|
{
|
|
u8 val;
|
|
if (i2c_read(&port->i2c->adap, 0x29, &val) < 0)
|
|
return 0;
|
|
if (i2c_read(&port->i2c->adap, 0x2a, &val) < 0)
|
|
return 0;
|
|
return 1;
|
|
}
|
|
|
|
static void ddb_port_probe(struct ddb_port *port)
|
|
{
|
|
struct ddb *dev = port->dev;
|
|
char *modname = "NO MODULE";
|
|
|
|
port->class = DDB_PORT_NONE;
|
|
|
|
if (port_has_ci(port)) {
|
|
modname = "CI";
|
|
port->class = DDB_PORT_CI;
|
|
ddbwritel(I2C_SPEED_400, port->i2c->regs + I2C_TIMING);
|
|
} else if (port_has_stv0900(port)) {
|
|
modname = "DUAL DVB-S2";
|
|
port->class = DDB_PORT_TUNER;
|
|
port->type = DDB_TUNER_DVBS_ST;
|
|
ddbwritel(I2C_SPEED_100, port->i2c->regs + I2C_TIMING);
|
|
} else if (port_has_stv0900_aa(port)) {
|
|
modname = "DUAL DVB-S2";
|
|
port->class = DDB_PORT_TUNER;
|
|
port->type = DDB_TUNER_DVBS_ST_AA;
|
|
ddbwritel(I2C_SPEED_100, port->i2c->regs + I2C_TIMING);
|
|
} else if (port_has_drxks(port)) {
|
|
modname = "DUAL DVB-C/T";
|
|
port->class = DDB_PORT_TUNER;
|
|
port->type = DDB_TUNER_DVBCT_TR;
|
|
ddbwritel(I2C_SPEED_400, port->i2c->regs + I2C_TIMING);
|
|
}
|
|
printk(KERN_INFO "Port %d (TAB %d): %s\n",
|
|
port->nr, port->nr+1, modname);
|
|
}
|
|
|
|
static void ddb_input_init(struct ddb_port *port, int nr)
|
|
{
|
|
struct ddb *dev = port->dev;
|
|
struct ddb_input *input = &dev->input[nr];
|
|
|
|
input->nr = nr;
|
|
input->port = port;
|
|
input->dma_buf_num = INPUT_DMA_BUFS;
|
|
input->dma_buf_size = INPUT_DMA_SIZE;
|
|
ddbwritel(0, TS_INPUT_CONTROL(nr));
|
|
ddbwritel(2, TS_INPUT_CONTROL(nr));
|
|
ddbwritel(0, TS_INPUT_CONTROL(nr));
|
|
ddbwritel(0, DMA_BUFFER_ACK(nr));
|
|
tasklet_init(&input->tasklet, input_tasklet, (unsigned long) input);
|
|
spin_lock_init(&input->lock);
|
|
init_waitqueue_head(&input->wq);
|
|
}
|
|
|
|
static void ddb_output_init(struct ddb_port *port, int nr)
|
|
{
|
|
struct ddb *dev = port->dev;
|
|
struct ddb_output *output = &dev->output[nr];
|
|
output->nr = nr;
|
|
output->port = port;
|
|
output->dma_buf_num = OUTPUT_DMA_BUFS;
|
|
output->dma_buf_size = OUTPUT_DMA_SIZE;
|
|
|
|
ddbwritel(0, TS_OUTPUT_CONTROL(nr));
|
|
ddbwritel(2, TS_OUTPUT_CONTROL(nr));
|
|
ddbwritel(0, TS_OUTPUT_CONTROL(nr));
|
|
tasklet_init(&output->tasklet, output_tasklet, (unsigned long) output);
|
|
init_waitqueue_head(&output->wq);
|
|
}
|
|
|
|
static void ddb_ports_init(struct ddb *dev)
|
|
{
|
|
int i;
|
|
struct ddb_port *port;
|
|
|
|
for (i = 0; i < dev->info->port_num; i++) {
|
|
port = &dev->port[i];
|
|
port->dev = dev;
|
|
port->nr = i;
|
|
port->i2c = &dev->i2c[i];
|
|
port->input[0] = &dev->input[2 * i];
|
|
port->input[1] = &dev->input[2 * i + 1];
|
|
port->output = &dev->output[i];
|
|
|
|
mutex_init(&port->i2c_gate_lock);
|
|
ddb_port_probe(port);
|
|
ddb_input_init(port, 2 * i);
|
|
ddb_input_init(port, 2 * i + 1);
|
|
ddb_output_init(port, i);
|
|
}
|
|
}
|
|
|
|
static void ddb_ports_release(struct ddb *dev)
|
|
{
|
|
int i;
|
|
struct ddb_port *port;
|
|
|
|
for (i = 0; i < dev->info->port_num; i++) {
|
|
port = &dev->port[i];
|
|
port->dev = dev;
|
|
tasklet_kill(&port->input[0]->tasklet);
|
|
tasklet_kill(&port->input[1]->tasklet);
|
|
tasklet_kill(&port->output->tasklet);
|
|
}
|
|
}
|
|
|
|
/****************************************************************************/
|
|
/****************************************************************************/
|
|
/****************************************************************************/
|
|
|
|
static void irq_handle_i2c(struct ddb *dev, int n)
|
|
{
|
|
struct ddb_i2c *i2c = &dev->i2c[n];
|
|
|
|
i2c->done = 1;
|
|
wake_up(&i2c->wq);
|
|
}
|
|
|
|
static irqreturn_t irq_handler(int irq, void *dev_id)
|
|
{
|
|
struct ddb *dev = (struct ddb *) dev_id;
|
|
u32 s = ddbreadl(INTERRUPT_STATUS);
|
|
|
|
if (!s)
|
|
return IRQ_NONE;
|
|
|
|
do {
|
|
ddbwritel(s, INTERRUPT_ACK);
|
|
|
|
if (s & 0x00000001)
|
|
irq_handle_i2c(dev, 0);
|
|
if (s & 0x00000002)
|
|
irq_handle_i2c(dev, 1);
|
|
if (s & 0x00000004)
|
|
irq_handle_i2c(dev, 2);
|
|
if (s & 0x00000008)
|
|
irq_handle_i2c(dev, 3);
|
|
|
|
if (s & 0x00000100)
|
|
tasklet_schedule(&dev->input[0].tasklet);
|
|
if (s & 0x00000200)
|
|
tasklet_schedule(&dev->input[1].tasklet);
|
|
if (s & 0x00000400)
|
|
tasklet_schedule(&dev->input[2].tasklet);
|
|
if (s & 0x00000800)
|
|
tasklet_schedule(&dev->input[3].tasklet);
|
|
if (s & 0x00001000)
|
|
tasklet_schedule(&dev->input[4].tasklet);
|
|
if (s & 0x00002000)
|
|
tasklet_schedule(&dev->input[5].tasklet);
|
|
if (s & 0x00004000)
|
|
tasklet_schedule(&dev->input[6].tasklet);
|
|
if (s & 0x00008000)
|
|
tasklet_schedule(&dev->input[7].tasklet);
|
|
|
|
if (s & 0x00010000)
|
|
tasklet_schedule(&dev->output[0].tasklet);
|
|
if (s & 0x00020000)
|
|
tasklet_schedule(&dev->output[1].tasklet);
|
|
if (s & 0x00040000)
|
|
tasklet_schedule(&dev->output[2].tasklet);
|
|
if (s & 0x00080000)
|
|
tasklet_schedule(&dev->output[3].tasklet);
|
|
|
|
/* if (s & 0x000f0000) printk(KERN_DEBUG "%08x\n", istat); */
|
|
} while ((s = ddbreadl(INTERRUPT_STATUS)));
|
|
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
/******************************************************************************/
|
|
/******************************************************************************/
|
|
/******************************************************************************/
|
|
|
|
static int flashio(struct ddb *dev, u8 *wbuf, u32 wlen, u8 *rbuf, u32 rlen)
|
|
{
|
|
u32 data, shift;
|
|
|
|
if (wlen > 4)
|
|
ddbwritel(1, SPI_CONTROL);
|
|
while (wlen > 4) {
|
|
/* FIXME: check for big-endian */
|
|
data = swab32(*(u32 *)wbuf);
|
|
wbuf += 4;
|
|
wlen -= 4;
|
|
ddbwritel(data, SPI_DATA);
|
|
while (ddbreadl(SPI_CONTROL) & 0x0004)
|
|
;
|
|
}
|
|
|
|
if (rlen)
|
|
ddbwritel(0x0001 | ((wlen << (8 + 3)) & 0x1f00), SPI_CONTROL);
|
|
else
|
|
ddbwritel(0x0003 | ((wlen << (8 + 3)) & 0x1f00), SPI_CONTROL);
|
|
|
|
data = 0;
|
|
shift = ((4 - wlen) * 8);
|
|
while (wlen) {
|
|
data <<= 8;
|
|
data |= *wbuf;
|
|
wlen--;
|
|
wbuf++;
|
|
}
|
|
if (shift)
|
|
data <<= shift;
|
|
ddbwritel(data, SPI_DATA);
|
|
while (ddbreadl(SPI_CONTROL) & 0x0004)
|
|
;
|
|
|
|
if (!rlen) {
|
|
ddbwritel(0, SPI_CONTROL);
|
|
return 0;
|
|
}
|
|
if (rlen > 4)
|
|
ddbwritel(1, SPI_CONTROL);
|
|
|
|
while (rlen > 4) {
|
|
ddbwritel(0xffffffff, SPI_DATA);
|
|
while (ddbreadl(SPI_CONTROL) & 0x0004)
|
|
;
|
|
data = ddbreadl(SPI_DATA);
|
|
*(u32 *) rbuf = swab32(data);
|
|
rbuf += 4;
|
|
rlen -= 4;
|
|
}
|
|
ddbwritel(0x0003 | ((rlen << (8 + 3)) & 0x1F00), SPI_CONTROL);
|
|
ddbwritel(0xffffffff, SPI_DATA);
|
|
while (ddbreadl(SPI_CONTROL) & 0x0004)
|
|
;
|
|
|
|
data = ddbreadl(SPI_DATA);
|
|
ddbwritel(0, SPI_CONTROL);
|
|
|
|
if (rlen < 4)
|
|
data <<= ((4 - rlen) * 8);
|
|
|
|
while (rlen > 0) {
|
|
*rbuf = ((data >> 24) & 0xff);
|
|
data <<= 8;
|
|
rbuf++;
|
|
rlen--;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#define DDB_MAGIC 'd'
|
|
|
|
struct ddb_flashio {
|
|
__user __u8 *write_buf;
|
|
__u32 write_len;
|
|
__user __u8 *read_buf;
|
|
__u32 read_len;
|
|
};
|
|
|
|
#define IOCTL_DDB_FLASHIO _IOWR(DDB_MAGIC, 0x00, struct ddb_flashio)
|
|
|
|
#define DDB_NAME "ddbridge"
|
|
|
|
static u32 ddb_num;
|
|
static struct ddb *ddbs[32];
|
|
static struct class *ddb_class;
|
|
static int ddb_major;
|
|
|
|
static int ddb_open(struct inode *inode, struct file *file)
|
|
{
|
|
struct ddb *dev = ddbs[iminor(inode)];
|
|
|
|
file->private_data = dev;
|
|
return 0;
|
|
}
|
|
|
|
static long ddb_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
|
|
{
|
|
struct ddb *dev = file->private_data;
|
|
__user void *parg = (__user void *)arg;
|
|
int res;
|
|
|
|
switch (cmd) {
|
|
case IOCTL_DDB_FLASHIO:
|
|
{
|
|
struct ddb_flashio fio;
|
|
u8 *rbuf, *wbuf;
|
|
|
|
if (copy_from_user(&fio, parg, sizeof(fio)))
|
|
return -EFAULT;
|
|
|
|
if (fio.write_len > 1028 || fio.read_len > 1028)
|
|
return -EINVAL;
|
|
if (fio.write_len + fio.read_len > 1028)
|
|
return -EINVAL;
|
|
|
|
wbuf = &dev->iobuf[0];
|
|
rbuf = wbuf + fio.write_len;
|
|
|
|
if (copy_from_user(wbuf, fio.write_buf, fio.write_len))
|
|
return -EFAULT;
|
|
res = flashio(dev, wbuf, fio.write_len, rbuf, fio.read_len);
|
|
if (res)
|
|
return res;
|
|
if (copy_to_user(fio.read_buf, rbuf, fio.read_len))
|
|
return -EFAULT;
|
|
break;
|
|
}
|
|
default:
|
|
return -ENOTTY;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static const struct file_operations ddb_fops = {
|
|
.unlocked_ioctl = ddb_ioctl,
|
|
.open = ddb_open,
|
|
};
|
|
|
|
static char *ddb_devnode(struct device *device, umode_t *mode)
|
|
{
|
|
struct ddb *dev = dev_get_drvdata(device);
|
|
|
|
return kasprintf(GFP_KERNEL, "ddbridge/card%d", dev->nr);
|
|
}
|
|
|
|
static int ddb_class_create(void)
|
|
{
|
|
ddb_major = register_chrdev(0, DDB_NAME, &ddb_fops);
|
|
if (ddb_major < 0)
|
|
return ddb_major;
|
|
|
|
ddb_class = class_create(THIS_MODULE, DDB_NAME);
|
|
if (IS_ERR(ddb_class)) {
|
|
unregister_chrdev(ddb_major, DDB_NAME);
|
|
return PTR_ERR(ddb_class);
|
|
}
|
|
ddb_class->devnode = ddb_devnode;
|
|
return 0;
|
|
}
|
|
|
|
static void ddb_class_destroy(void)
|
|
{
|
|
class_destroy(ddb_class);
|
|
unregister_chrdev(ddb_major, DDB_NAME);
|
|
}
|
|
|
|
static int ddb_device_create(struct ddb *dev)
|
|
{
|
|
dev->nr = ddb_num++;
|
|
dev->ddb_dev = device_create(ddb_class, NULL,
|
|
MKDEV(ddb_major, dev->nr),
|
|
dev, "ddbridge%d", dev->nr);
|
|
ddbs[dev->nr] = dev;
|
|
if (IS_ERR(dev->ddb_dev))
|
|
return -1;
|
|
return 0;
|
|
}
|
|
|
|
static void ddb_device_destroy(struct ddb *dev)
|
|
{
|
|
ddb_num--;
|
|
if (IS_ERR(dev->ddb_dev))
|
|
return;
|
|
device_destroy(ddb_class, MKDEV(ddb_major, 0));
|
|
}
|
|
|
|
|
|
/****************************************************************************/
|
|
/****************************************************************************/
|
|
/****************************************************************************/
|
|
|
|
static void ddb_unmap(struct ddb *dev)
|
|
{
|
|
if (dev->regs)
|
|
iounmap(dev->regs);
|
|
vfree(dev);
|
|
}
|
|
|
|
|
|
static void ddb_remove(struct pci_dev *pdev)
|
|
{
|
|
struct ddb *dev = pci_get_drvdata(pdev);
|
|
|
|
ddb_ports_detach(dev);
|
|
ddb_i2c_release(dev);
|
|
|
|
ddbwritel(0, INTERRUPT_ENABLE);
|
|
free_irq(dev->pdev->irq, dev);
|
|
#ifdef CONFIG_PCI_MSI
|
|
if (dev->msi)
|
|
pci_disable_msi(dev->pdev);
|
|
#endif
|
|
ddb_ports_release(dev);
|
|
ddb_buffers_free(dev);
|
|
ddb_device_destroy(dev);
|
|
|
|
ddb_unmap(dev);
|
|
pci_set_drvdata(pdev, NULL);
|
|
pci_disable_device(pdev);
|
|
}
|
|
|
|
|
|
static int ddb_probe(struct pci_dev *pdev, const struct pci_device_id *id)
|
|
{
|
|
struct ddb *dev;
|
|
int stat = 0;
|
|
int irq_flag = IRQF_SHARED;
|
|
|
|
if (pci_enable_device(pdev) < 0)
|
|
return -ENODEV;
|
|
|
|
dev = vmalloc(sizeof(struct ddb));
|
|
if (dev == NULL)
|
|
return -ENOMEM;
|
|
memset(dev, 0, sizeof(struct ddb));
|
|
|
|
dev->pdev = pdev;
|
|
pci_set_drvdata(pdev, dev);
|
|
dev->info = (struct ddb_info *) id->driver_data;
|
|
printk(KERN_INFO "DDBridge driver detected: %s\n", dev->info->name);
|
|
|
|
dev->regs = ioremap(pci_resource_start(dev->pdev, 0),
|
|
pci_resource_len(dev->pdev, 0));
|
|
if (!dev->regs) {
|
|
stat = -ENOMEM;
|
|
goto fail;
|
|
}
|
|
printk(KERN_INFO "HW %08x FW %08x\n", ddbreadl(0), ddbreadl(4));
|
|
|
|
#ifdef CONFIG_PCI_MSI
|
|
if (pci_msi_enabled())
|
|
stat = pci_enable_msi(dev->pdev);
|
|
if (stat) {
|
|
printk(KERN_INFO ": MSI not available.\n");
|
|
} else {
|
|
irq_flag = 0;
|
|
dev->msi = 1;
|
|
}
|
|
#endif
|
|
stat = request_irq(dev->pdev->irq, irq_handler,
|
|
irq_flag, "DDBridge", (void *) dev);
|
|
if (stat < 0)
|
|
goto fail1;
|
|
ddbwritel(0, DMA_BASE_WRITE);
|
|
ddbwritel(0, DMA_BASE_READ);
|
|
ddbwritel(0xffffffff, INTERRUPT_ACK);
|
|
ddbwritel(0xfff0f, INTERRUPT_ENABLE);
|
|
ddbwritel(0, MSI1_ENABLE);
|
|
|
|
if (ddb_i2c_init(dev) < 0)
|
|
goto fail1;
|
|
ddb_ports_init(dev);
|
|
if (ddb_buffers_alloc(dev) < 0) {
|
|
printk(KERN_INFO ": Could not allocate buffer memory\n");
|
|
goto fail2;
|
|
}
|
|
if (ddb_ports_attach(dev) < 0)
|
|
goto fail3;
|
|
ddb_device_create(dev);
|
|
return 0;
|
|
|
|
fail3:
|
|
ddb_ports_detach(dev);
|
|
printk(KERN_ERR "fail3\n");
|
|
ddb_ports_release(dev);
|
|
fail2:
|
|
printk(KERN_ERR "fail2\n");
|
|
ddb_buffers_free(dev);
|
|
fail1:
|
|
printk(KERN_ERR "fail1\n");
|
|
if (dev->msi)
|
|
pci_disable_msi(dev->pdev);
|
|
if (stat == 0)
|
|
free_irq(dev->pdev->irq, dev);
|
|
fail:
|
|
printk(KERN_ERR "fail\n");
|
|
ddb_unmap(dev);
|
|
pci_set_drvdata(pdev, NULL);
|
|
pci_disable_device(pdev);
|
|
return -1;
|
|
}
|
|
|
|
/******************************************************************************/
|
|
/******************************************************************************/
|
|
/******************************************************************************/
|
|
|
|
static struct ddb_info ddb_none = {
|
|
.type = DDB_NONE,
|
|
.name = "Digital Devices PCIe bridge",
|
|
};
|
|
|
|
static struct ddb_info ddb_octopus = {
|
|
.type = DDB_OCTOPUS,
|
|
.name = "Digital Devices Octopus DVB adapter",
|
|
.port_num = 4,
|
|
};
|
|
|
|
static struct ddb_info ddb_octopus_le = {
|
|
.type = DDB_OCTOPUS,
|
|
.name = "Digital Devices Octopus LE DVB adapter",
|
|
.port_num = 2,
|
|
};
|
|
|
|
static struct ddb_info ddb_octopus_mini = {
|
|
.type = DDB_OCTOPUS,
|
|
.name = "Digital Devices Octopus Mini",
|
|
.port_num = 4,
|
|
};
|
|
|
|
static struct ddb_info ddb_v6 = {
|
|
.type = DDB_OCTOPUS,
|
|
.name = "Digital Devices Cine S2 V6 DVB adapter",
|
|
.port_num = 3,
|
|
};
|
|
static struct ddb_info ddb_v6_5 = {
|
|
.type = DDB_OCTOPUS,
|
|
.name = "Digital Devices Cine S2 V6.5 DVB adapter",
|
|
.port_num = 4,
|
|
};
|
|
|
|
static struct ddb_info ddb_dvbct = {
|
|
.type = DDB_OCTOPUS,
|
|
.name = "Digital Devices DVBCT V6.1 DVB adapter",
|
|
.port_num = 3,
|
|
};
|
|
|
|
static struct ddb_info ddb_satixS2v3 = {
|
|
.type = DDB_OCTOPUS,
|
|
.name = "Mystique SaTiX-S2 V3 DVB adapter",
|
|
.port_num = 3,
|
|
};
|
|
|
|
static struct ddb_info ddb_octopusv3 = {
|
|
.type = DDB_OCTOPUS,
|
|
.name = "Digital Devices Octopus V3 DVB adapter",
|
|
.port_num = 4,
|
|
};
|
|
|
|
#define DDVID 0xdd01 /* Digital Devices Vendor ID */
|
|
|
|
#define DDB_ID(_vend, _dev, _subvend, _subdev, _driverdata) { \
|
|
.vendor = _vend, .device = _dev, \
|
|
.subvendor = _subvend, .subdevice = _subdev, \
|
|
.driver_data = (unsigned long)&_driverdata }
|
|
|
|
static const struct pci_device_id ddb_id_tbl[] = {
|
|
DDB_ID(DDVID, 0x0002, DDVID, 0x0001, ddb_octopus),
|
|
DDB_ID(DDVID, 0x0003, DDVID, 0x0001, ddb_octopus),
|
|
DDB_ID(DDVID, 0x0003, DDVID, 0x0002, ddb_octopus_le),
|
|
DDB_ID(DDVID, 0x0003, DDVID, 0x0010, ddb_octopus_mini),
|
|
DDB_ID(DDVID, 0x0003, DDVID, 0x0020, ddb_v6),
|
|
DDB_ID(DDVID, 0x0003, DDVID, 0x0021, ddb_v6_5),
|
|
DDB_ID(DDVID, 0x0003, DDVID, 0x0030, ddb_dvbct),
|
|
DDB_ID(DDVID, 0x0003, DDVID, 0xdb03, ddb_satixS2v3),
|
|
DDB_ID(DDVID, 0x0005, DDVID, 0x0004, ddb_octopusv3),
|
|
/* in case sub-ids got deleted in flash */
|
|
DDB_ID(DDVID, 0x0003, PCI_ANY_ID, PCI_ANY_ID, ddb_none),
|
|
{0}
|
|
};
|
|
MODULE_DEVICE_TABLE(pci, ddb_id_tbl);
|
|
|
|
|
|
static struct pci_driver ddb_pci_driver = {
|
|
.name = "DDBridge",
|
|
.id_table = ddb_id_tbl,
|
|
.probe = ddb_probe,
|
|
.remove = ddb_remove,
|
|
};
|
|
|
|
static __init int module_init_ddbridge(void)
|
|
{
|
|
int ret;
|
|
|
|
printk(KERN_INFO "Digital Devices PCIE bridge driver, "
|
|
"Copyright (C) 2010-11 Digital Devices GmbH\n");
|
|
|
|
ret = ddb_class_create();
|
|
if (ret < 0)
|
|
return ret;
|
|
ret = pci_register_driver(&ddb_pci_driver);
|
|
if (ret < 0)
|
|
ddb_class_destroy();
|
|
return ret;
|
|
}
|
|
|
|
static __exit void module_exit_ddbridge(void)
|
|
{
|
|
pci_unregister_driver(&ddb_pci_driver);
|
|
ddb_class_destroy();
|
|
}
|
|
|
|
module_init(module_init_ddbridge);
|
|
module_exit(module_exit_ddbridge);
|
|
|
|
MODULE_DESCRIPTION("Digital Devices PCIe Bridge");
|
|
MODULE_AUTHOR("Ralph Metzler");
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_VERSION("0.5");
|